Perfect outfit for a professional workday for men of the 1940's was a wool grey suit. The buttoned up shirt had a smaller collar compared to today (Was the style) Dress pants were worn above the hip area; in result, expressing as though men had longer legs then they really did.
Cavalier Title: Portrait of Lord John Stewart and his brother Lord Bernard Stewart Artist: Anthony van Dyck, 1638 The man on the left is pictured wearing a flat white shirt under a gold coat that is slashed at the top. His breeches are full and have lace decorating the ends of them. His shoes are straight sole funnel boots. His brother in the right is wearing the same thing in blue but has a cape over his shoulder